221400000018

素因数分解:

$2^1\times 3^2\times {\mathrm{12300000001}}^1$

素因数の和:12300000009

約数の個数: 12

約数和(自身を含む): 479700000078

約数和(自身を除く): 258300000060

約数列:

[1, 2, 3, 6, 9, 18, 12300000001, 24600000002, 36900000003, 73800000006, 110700000009, 221400000018]

約数ペア:

[(1, 221400000018), (2, 110700000009), (3, 73800000006), (6, 36900000003), (9, 24600000002), (18, 12300000001)]